Question: What taxon ranked species has the shortest gestation period?
Paraphrase: Give me the ranked species with the shortest gestation period.
SPARQL (Wikidata): select ?ent where { ?ent wdt:P31 wd:Q16521 . ?ent wdt:P3063 ?obj . ?ent wdt:P105 wd:Q7432} ORDER BY ASC(?obj)LIMIT 5 
Answer: beluga whale, narwhal, common bottlenose dolphin, Onager, North Atlantic right whale